| Age (yrs) | No. Examined | Herdsmen | Abattoir | Livestock | No. Pos. | % Pos. |
| 20 - 25 26 - 30 31 - 35 36 - 40 41 - 45 46 - above Total | 24 26 49 45 43 41 228 | 08 06 06 04 04 03 31 | 06 08 04 02 02 01 23 | 04 04 03 02 02 01 16 | 18 18 13 08 08 05 70 | 7.92 7.92 5.72 3.52 3.52 2.20 30.8 |